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        </div><article class="page single"><h1 class="single-title animated flipInX">徐湛老师对于凡伟一事的一个评论</h1><div class="post-meta">
            <div class="post-meta-line"><span class="post-author"><a href="/" title="Author" rel=" author" class="author"><i class="fas fa-user-circle fa-fw"></i>辛载阳</a></span>&nbsp;<span class="post-category">收录于 <a href="/categories/%E5%A4%A7%E5%AD%A6/"><i class="far fa-folder fa-fw"></i>大学</a>&nbsp;<a href="/categories/%E6%9D%82%E8%B0%88/"><i class="far fa-folder fa-fw"></i>杂谈</a></span></div>
            <div class="post-meta-line"><i class="far fa-calendar-alt fa-fw"></i>&nbsp;<time datetime="2017-02-15">2017-02-15</time>&nbsp;<i class="fas fa-pencil-alt fa-fw"></i>&nbsp;约 825 字&nbsp;
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            </div><div class="content" id="content"><p>今天量子力学课最后下课前，徐老师从这件事出发，给我们讲了一个对于物理学作为一门科学我们在自己的科学学习和研究的过程中所应该一直坚持的一个原则，虽然这个原则我们早就耳濡目染，甚至烂熟于心，但是直到今天我才真正领悟到我之前没有注意到的另外一层而且是更加重要的一层含义。
（以下根据回忆整理）</p>
<p>“我只发表一个评论，就是各位同学在自己的学习和科研中，特别是如果以后要从事基础物理的研究，所应该明白的一个东西，这个法则你们早就听说过，但是我觉得你们可能不是真正明白它的确切含义”。</p>
<p>“实践是检验真理的唯一标准。我们都知道，物理学的理论必须要经过试验的验证才能被证实，这也是我们大多数人对这句‘实践是检验真理的唯一标准’的理解，但是这其实只是这句话的一半含义，甚至是不那么重要的一半。重要的一半是，物理学的理论，不仅仅需要满足已有的实验结果，更重要的是，要能够对于未来的现象和试验的结果做出预测，从而指导我们下一步的行动。就如同当年张守晟提出‘量子反常霍尔效应’，后来被薛其坤试验验证，杨先生评价这是‘中国实验室里的第一个诺贝尔奖级别的实验结果’，其实很重要的是，这是一次对于理论成功预测试验的验证。”</p>
<p>“我文革被下放到农场劳动，做了五年电工，我自己大学学习的是核物理专业，当时面对厚厚的一摞国家标准、工程规范，我的脑子里只有我学习过的麦克斯韦方程组，但是我知道，这些就是我必须要掌握的，而且要不打折扣的去执行的，而且多年的实践已经证明，基于电磁场等物理学理论所建立起的现代社会的各个行业、方方面面的规范和方法，很好地保障着和推动着这个社会的发展。你要说，你改写了教科书，那么就请你去电机机械厂，用你的理论指出我们原来的这样一套理论所建立的这些规范和方法，哪里不对，甚至是一点点的改动。”</p>
<p>我觉得，这段话说来掷地有声，很有道理，并且也说出了为什么我自己对于物理学一直钟爱的原因，正如我在题图中的那句谢耳朵的名言所言，“I am a physicist and I have a working knowledge of the entire universe and everything it contains.”</p>
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